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Variational data assimilation: mathematical foundations and one applicationDOI: 10.1590/S0102-77862011000300009 Keywords: variational data assimilation, adjoint equations, adjust of trajectories. Abstract: variational data assimilation and adjoint equation method are presented here as a general methodology designed to improve the quality of computational simulation when are given the dynamics and a set of observation of the system under study. the mathematical foundations the procedures to obtain the adjoint of a given computational program, a fundamental task in order to apply the methodology, are carefully examined.
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